Permutations to arrange N persons around a circular table | C # code to demonstrate Circular Permutation ; Function to find no . of permutations ; Driver Code
using System ; public class GFG { static int Circular ( int n ) { int Result = 1 ; while ( n > 0 ) { Result = Result * n ; n -- ; } return Result ; } public static void Main ( ) { int n = 4 ; Console . Write ( Circular ( n - 1 ) ) ; } }